APA (7th ed.) Citation

London Buses Ltd. (2001). Saver: A book of six tickets that work out at just 65p each--what a bright idea. London Buses.

Chicago Style (17th ed.) Citation

London Buses Ltd. Saver: A Book of Six Tickets That Work Out at Just 65p Each--what a Bright Idea. London: London Buses, 2001.

MLA (9th ed.) Citation

London Buses Ltd. Saver: A Book of Six Tickets That Work Out at Just 65p Each--what a Bright Idea. London Buses, 2001.

Warning: These citations may not always be 100% accurate.